CN113932462B - Solar heat storage device based on graphene-based composite material - Google Patents
Solar heat storage device based on graphene-based composite material Download PDFInfo
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- CN113932462B CN113932462B CN202111350631.2A CN202111350631A CN113932462B CN 113932462 B CN113932462 B CN 113932462B CN 202111350631 A CN202111350631 A CN 202111350631A CN 113932462 B CN113932462 B CN 113932462B
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- heat preservation
- heat storage
- heating
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- 238000005338 heat storage Methods 0.000 title claims abstract description 119
- 239000002131 composite material Substances 0.000 title claims abstract description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 304
- 238000004321 preservation Methods 0.000 claims abstract description 150
- 238000010438 heat treatment Methods 0.000 claims abstract description 93
- 238000006243 chemical reaction Methods 0.000 claims abstract description 30
- 238000005452 bending Methods 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 16
- 239000011229 interlayer Substances 0.000 claims abstract description 10
- 230000001502 supplementing effect Effects 0.000 claims description 36
- 239000010410 layer Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 8
- 240000002853 Nelumbo nucifera Species 0.000 claims description 7
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 7
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 7
- 239000010439 graphite Substances 0.000 claims description 7
- -1 graphite alkene Chemical class 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 238000009825 accumulation Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000008236 heating water Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000003020 moisturizing effect Effects 0.000 description 11
- 238000009434 installation Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 239000012782 phase change material Substances 0.000 description 5
- 230000007306 turnover Effects 0.000 description 5
- 238000004134 energy conservation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/40—Thermal components
- H02S40/44—Means to utilise heat energy, e.g. hybrid systems producing warm water and electricity at the same time
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
Abstract
The utility model discloses a solar heat storage device based on a graphene-based composite material, which comprises a support frame, wherein a bottom plate is arranged on the surface of the support frame, a heat storage box is arranged at the top of the bottom plate, and a heat collection circulating pump is arranged on the surface of the heat storage box; the back of the heat storage box is provided with a heat storage circulating pump, the inside of the heat storage box is provided with a heat preservation interlayer, the inside of the heat storage box is provided with bending plates which are arranged at equal intervals, and the surfaces of two sides of the bending plates are provided with graphene-based composite phase change plates; the front of the support frame is provided with a heat collection support, the surfaces of the heat collection supports, which are close to each other, are provided with movable trough plates, and the back of the support frame is provided with a heating box. According to the utility model, the heat storage tank is arranged, so that the water temperature in the heat preservation water tank is constantly within the range of 45-55 ℃, and the photovoltaic cell panel is arranged and can be combined with the graphene-based composite phase-change plate tube, so that photoelectric conversion and photo-thermal conversion are realized, and the energy conversion efficiency of the heat storage device is improved.
Description
Technical Field
The utility model relates to the technical field of solar heat extraction, in particular to a solar heat storage device based on a graphene-based composite material.
Background
The solar heating mainly uses a solar collector to collect sunlight and convert the sunlight into heat energy for heating, the solar heating has the advantages of energy conservation and heating cost reduction, and in addition, the solar heating does not involve tail gas emission in the whole process, so that the solar heating has a better environment-friendly effect, and the solar heating is used for heat storage heating operation, so that the solar heating becomes one of main means for people to heat in a cold season.
The existing solar heat-collecting equipment has the defects that:
1. patent document CN205641587U discloses an elongated double-cabin solar water heater, "consisting of a water storage cabin, a high temperature cabin, a vacuum heat collecting tube and an electric heater. The water storage cabin and the high temperature cabin are of a series cylinder structure and are communicated with each other, the vacuum heat collecting pipe is connected with the water storage cabin, and the electric heater is arranged in the high temperature cabin. The water storage cabin further comprises a water storage exhaust pipe, a water inlet pipe and a heat conducting pipe, and the high-temperature cabin further comprises a high-temperature exhaust pipe, a water outlet pipe and an air energy inlet. The electric heater mounting position is positioned at the bottom of the side wall of the high-temperature cabin, and the air energy access port can be connected with the air energy heater. According to the solar heat-collecting device, under the condition of bad weather, the electric heater and the air energy are used for auxiliary heating, so that the problem of hot water production due to bad weather is solved, and the energy waste is reduced;
2. patent document CN205641590U discloses a solar water heater with a purification cabin and a high temperature cabin, "consisting of a purification cabin, a heat locking cabin, a high temperature cabin, a vacuum heat collecting tube and an electric heater. The purifying cabin, the heat locking cabin and the high-temperature cabin are of cylindrical structures, the three cabins are sequentially connected in series, and the adjacent cabins are communicated; the vacuum heat collecting pipe is connected with the heat locking cabin, and the electric heater is arranged in the high-temperature cabin. The solar heat collection device has the functions of purification and filtration, the water quality is cleaner, the heating time of the vacuum heat collection tube is longer, the high-temperature cabin is provided with three water source heating modes, the problem of hot water use can be solved when the weather condition is poor, the temperature of the water body can not be used for other purposes when the solar heat collection device is used, and the practicability of the solar heat collection device is poor;
3. patent document CN205606928U discloses a purifying four-cabin solar water heater, "comprising a purifying cabin, a heat locking cabin, a middle temperature cabin, a high temperature cabin, a water inlet, a water outlet, an air outlet, an electric heater, a vacuum heat collecting tube and a heat insulating layer. The purification cabin, the heat locking cabin, the middle temperature cabin and the high temperature cabin are sequentially and serially arranged in the heat preservation layer structure; the outer end face of the purification cabin is provided with a water inlet and an air outlet, and the outer end face of the high-temperature cabin is provided with a water outlet and an air outlet; the vacuum heat collecting pipes are divided into three groups and are respectively connected with the heat locking cabin, the middle temperature cabin and the high temperature cabin; the water source sequentially flows through the purification cabin, the heat locking cabin, the medium temperature cabin and the high temperature cabin from the water inlet, is heated in the vacuum heat collecting pipe, and then flows out from the water outlet; the electric heater is installed in the high temperature cabin. The utility model improves the water quality of the water source entering the solar water heater, reduces the generation of dirt and prolongs the service life of the water source; the water temperature of the three working cabins is increased step by step, so that the water source heating efficiency of the solar water heater is improved, and the solar heat-taking device cannot realize efficient solar energy conversion operation when in use, so that the energy conversion rate is lower;
4. patent document CN205897569U discloses a purifying three-cabin solar water heater, "comprising a purifying cabin, a heat locking cabin, a high temperature cabin, a water inlet, a water outlet, an air outlet, an electric heating device, a vacuum heat collecting tube and a heat insulating layer. The purifying cabin, the heat locking cabin and the high-temperature cabin are cylindrical structure cabins, and the three cabins are sequentially connected in series and installed in the heat insulation layer; the bottom of the outer wall of the end face of the purification cabin is provided with a water inlet and an exhaust port; the bottom of the side wall of the end face of the high-temperature cabin is provided with a water outlet, the top of the side wall of the high-temperature cabin is provided with an air outlet, and an electric heating device is arranged in the high-temperature cabin; the vacuum heat collecting pipes are divided into two groups and are respectively connected with the heat locking cabin and the high-temperature cabin. The independent purifying cabin can improve the water quality of a water source, reduce the generation of dirt in the solar water heater and prolong the service life of the solar water heater; the water storage tank is managed according to the functional compartment, so that the heating efficiency of the solar water heater is improved, the solar heat-taking device cannot realize uniform conversion in the energy conversion process when in use, and the energy conversion surface is single.
Disclosure of Invention
The utility model aims to provide a solar heat storage device based on a graphene-based composite material, so as to solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the solar heat storage device based on the graphene-based composite material comprises a support frame and a heat storage box, wherein a heat preservation water tank is installed at the top of the support frame, an exhaust valve is installed on one side surface of the heat preservation water tank, a bottom plate is installed on one side surface of the support frame, a heat storage box is installed at the top of the bottom plate, and a heat collection circulating pump is installed on one side surface of the heat storage box;
the back of the heat storage box is provided with a heat storage circulating pump, the inside of the heat storage box is provided with a heat preservation interlayer, the inside of the heat storage box is provided with bending plates which are arranged at equal intervals, and the surfaces of two sides of the bending plates are provided with graphene-based composite phase change plates;
the front of support frame is installed the heat collection support, and the heat collection support forms triangular structure with the support frame, the surface mounting that the heat collection support is close to each other has the removal frid, the back of support frame installs the heating case.
Preferably, a heating circulation pump and a heating coil are installed at the inner bottom wall of the heating box, and the heating coil is located at one side of the heating circulation pump.
Preferably, the surface mounting that the heat collection support is close to each other has the gusset plate of arranging from top to bottom, the surface mounting that the gusset plate is close to each other has the photovoltaic cell board, the inside of gusset plate is equipped with the gomphosis hole, the inner wall of gomphosis hole is equipped with the embedding slide rail, the inside gomphosis of embedding slide rail is connected with the lasso, the internal surface of lasso is connected with the heat-collecting tube, and the heat-collecting tube is located the place ahead of photovoltaic cell board, the internally mounted of heat-collecting tube has the compound pipe of graphite alkene.
Preferably, the electromagnetic box is installed to top one side of removing the frid, the internally mounted of electromagnetic box has the electro-magnet, the top of removing the frid is equipped with the recess of invagination, and the recess is located one side of electromagnetic box, the inside sliding connection of recess has the sliding seat, the sliding seat is made for the magnet, the branch of L type is installed at the top of sliding seat, the rubber piece is installed to the tail end of branch, the tail end and the surface laminating of heat-collecting tube of rubber piece, the front of removing the frid is equipped with the wash port.
Preferably, an interlayer is arranged in the photovoltaic cell panel, a heat insulation cotton layer and a heating layer are arranged in the interlayer, the heating layer is positioned on the inner side of the heat insulation cotton layer, and the heating layer is electrically connected with the photovoltaic cell panel.
Preferably, a side surface of the heat preservation water tank is connected with an installation box, a temperature sensor and a liquid level sensor are installed in the installation box, the liquid level sensor is located at the rear of the temperature sensor, and the temperature sensor is electrically connected with the heat storage circulating pump and the heat collection circulating pump.
Preferably, a water supplementing pipe is installed on one side surface of the heat preservation water tank in a penetrating mode, the water supplementing pipe is located at the rear of the exhaust valve, the exhaust valve is located above the installation box, a water supplementing valve is installed on the surface of the water supplementing pipe, the water supplementing valve is electrically connected with the liquid level sensor, and a filter screen is installed inside the water supplementing pipe.
Preferably, a drain pipe is installed at the bottom of the heat preservation water tank in a penetrating mode, a drain valve is installed on the surface of the drain pipe, a conductivity meter is installed on the inner bottom wall of the heating tank, and the conductivity meter is electrically connected with the drain valve.
Preferably, a commutator is arranged in the electromagnetic box and is positioned on one side of the electromagnet, the commutator is electrically connected with the electromagnet, and the commutator is electrically connected with the photovoltaic cell panel.
Preferably, the working steps of the heat storage device are as follows:
s1, when the solar heat storage device is used for corresponding heating operation, the graphene-based composite tube inside the heat collection tube can realize photo-thermal conversion and synchronously perform photoelectric conversion by utilizing the gaps among the heat collection tubes, so that electric quantity supply is provided for the operation of a heating layer and an electromagnet inside the heat storage device;
s2, starting an electromagnet and a commutator, under the action of the commutator, enabling the current direction provided by a photovoltaic cell panel to the electromagnet to be in a change state, and further driving a sliding seat to achieve operation of approaching or keeping away from an electromagnetic box, wherein in the process, the sliding seat can drive a supporting rod and a rubber block to move along the direction of a movable groove plate, and further friction-driving a contacted heat collecting pipe, so that the heat collecting pipe is subjected to friction driving under the cooperation of a ferrule and an embedded sliding rail, the turnover of a graphene-based composite pipe is achieved, and further uniformity of the surface photo-thermal conversion efficiency of the graphene-based composite pipe is ensured;
s3, when the external weather is fine, when the internal water temperature of the heat preservation water tank exceeds 55 ℃, starting a heat storage circulating pump, transferring the heat in the heat preservation water tank to the interior of the heat storage tank, at the moment, by means of the self phase change heat storage performance of a graphene-based composite phase change plate installed through a bending plate, realizing heat preservation, further reducing the internal temperature of the heat preservation water tank, when the internal water temperature of the heat preservation water tank is lower than 55 ℃, stopping the heat storage circulating pump, namely realizing the effect of storing the redundant heat when the internal water temperature of the heat preservation water tank exceeds 55 ℃, when the internal water temperature of the heat preservation water tank is lower than 45 ℃ in rainy days or extremely cold days, starting the heat storage circulating pump, at the moment, transferring the heat to the internal part of the heat preservation water tank through the heat storage circulating pump, and when the water temperature reaches 45 ℃, closing the heat storage circulating pump, so that the internal water temperature of the heat preservation water tank is constantly within the range of 45-55 ℃;
s4, at the moment, a heating circulating pump can be started to transfer heat of the water body in the heat preservation water tank to a heating coil, and then the floor heating water separator is used for heating, so that the heat storage device can be used for floor heating, and the practicability of the heat storage device is improved;
s5, when the scaling phenomenon occurs in the heat preservation water tank, under the action of the lotus leaf coating, the possibility of scaling adhering to the inner wall of the heat preservation water tank can be reduced, and then when the conductivity meter detects that the scaling phenomenon exists in the heat preservation water tank, the drain valve can be started, so that the water body containing solid scaling in the heat preservation water tank is discharged out of the heat preservation water tank through the drain pipe, and the self-cleaning of the inside of the heat preservation water tank is realized;
s6, after sewage in the heat preservation water tank is drained completely, the water level in the heat preservation water tank is reduced to the minimum value, at the moment, the liquid level sensor can send a signal to the water supplementing valve, and then the water supplementing valve is started, so that the water can be supplemented to the inside of the heat preservation water tank through the water supplementing pipe connected with the external suction structure, and under the situation that the water in the heat preservation water tank is normally reduced and the sewage draining valve is closed, the liquid level sensor can start the water supplementing valve to conduct normal water supplementing operation when detecting that the water level in the water in the heat preservation water tank is reduced to the safety threshold value, so that continuous supply of the water in the heat preservation water tank is maintained.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the heat storage tank, the heat storage circulating pump, the heat preservation interlayer, the graphene-based composite phase-change plate pipe, the bending plate and the temperature sensor are arranged, when the water temperature in the heat preservation water tank exceeds 55 ℃ in fine weather, the heat storage circulating pump is started, heat in the heat preservation water tank is transferred to the heat storage tank, at the moment, the graphene-based composite phase-change plate realizes heat preservation, when the water temperature in rainy days or extremely cold days is lower than 45 ℃, the heat storage circulating pump is started, heat is conveyed to the heat preservation water tank through the heat storage circulating pump, and when the water temperature reaches 45 ℃, the heat storage circulating pump is closed, so that the water temperature in the heat preservation water tank is constantly within the range of 45-55 ℃.
2. According to the utility model, the heating box, the heating coil and the heating circulating pump are arranged, the heating circulating pump is started, and the heat of the water body in the heat preservation water tank is transferred to the heating coil, so that the floor heating water separator is used for heating, the heat storage device can be used for floor heating, and the practicability of the heat storage device is improved.
3. According to the solar heat storage device, the heat collection support, the heat collection tubes, the reinforcing plates, the graphene-based composite tubes and the photovoltaic cell panel are arranged, so that when sunlight is projected, the graphene-based composite tubes in the heat collection tubes can realize photo-thermal conversion, and simultaneously the photovoltaic cell panel synchronously performs photoelectric conversion, and then electric quantity supply is provided for the operation of the heating layer and the electromagnet in the heat storage device.
4. According to the utility model, the sleeve ring, the embedded sliding rail, the movable groove plate, the electromagnetic box, the sliding seat, the supporting rod and the rubber block are arranged, the electromagnet and the commutator are started, the sliding seat is driven to realize the operation of approaching or separating from the electromagnetic box, in the process, the sliding seat can drive the supporting rod and the rubber block to move along the direction of the movable groove plate, and further the contacted heat collecting pipe is rubbed and driven, so that the heat collecting pipe can realize the turnover of the graphene-based composite pipe under the cooperation of the sleeve ring and the embedded sliding rail, and the uniformity of the photo-thermal conversion efficiency of the surface of the graphene-based composite pipe is further ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the installation structure of the insulated water tank of the utility model;
fig. 3 is a schematic view of a heat storage tank and a heat collecting circulation pump mounting structure of the present utility model;
FIG. 4 is a schematic diagram of the installation structure of the bending plate and the graphene-based composite phase-change plate of the present utility model;
FIG. 5 is a schematic view of the internal installation structure of the heating box of the present utility model;
FIG. 6 is a schematic view of the structure of FIG. 1 at A according to the present utility model;
FIG. 7 is a schematic view of the mounting structure of the reinforcing plate, the heat collecting tube and the graphene-based composite tube of the present utility model;
FIG. 8 is a schematic view of the structure of FIG. 7 at B in accordance with the present utility model;
FIG. 9 is a schematic view showing the internal structure of the mounting box of the present utility model;
FIG. 10 is a schematic view of the installation structure of the water replenishing pipe and the filter screen of the present utility model.
In the figure: 1. a support frame; 101. a bottom plate; 2. a heat preservation water tank; 201. a heat insulation cotton layer; 202. a heating layer; 203. a lotus leaf coating; 3. a heat storage tank; 301. a heat storage circulating pump; 302. a heat preservation interlayer; 303. graphene-based composite phase change plates; 304. a bending plate; 4. a heating box; 401. a heating coil; 402. a heating circulation pump; 5. a mounting box; 501. a liquid level sensor; 502. a temperature sensor; 6. a water supplementing pipe; 601. a water replenishing valve; 602. a filter screen; 7. a blow-down pipe; 701. a blow-down valve; 702. a conductivity meter; 8. a heat collecting bracket; 801. a heat collecting pipe; 802. a reinforcing plate; 803. a graphene-based composite tube; 804. a ferrule; 805. embedding a sliding rail; 806. a photovoltaic cell panel; 9. moving the trough plate; 901. an electromagnetic box; 902. a sliding seat; 903. a support rod; 904. a rubber block; 905. a drain hole; 10. and a heat collecting circulating pump.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples
Referring to fig. 1, 3 and 4, an embodiment of the present utility model is provided: the solar heat storage device based on the graphene-based composite material comprises a support frame 1 and a heat storage box 3, wherein a heat preservation water tank 2 is installed at the top of the support frame 1, an exhaust valve is installed on one side surface of the heat preservation water tank 2, a bottom plate 101 is installed on one side surface of the support frame 1, a heat storage box 3 is installed at the top of the bottom plate 101, a heat storage circulating pump 301 is installed on the back surface of the heat storage box 3, a heat preservation interlayer 302 is arranged in the heat storage box 3, bending plates 304 which are arranged at equal intervals are installed in the heat storage box 3, and graphene-based composite phase change plates 303 are installed on two side surfaces of the bending plates 304;
specifically, redundant gas in the heat preservation water tank 2 can be treated through the exhaust valve so as to keep the normal storage of the water in the heat preservation water tank 2;
the input end and the output end of the heat storage circulating pump 301 are connected with the heat preservation water tank 2 through pipelines, the bending plate 304 can effectively increase the surface area of the heat preservation water tank by virtue of the bending effect, and the graphene-based composite phase-change plate 303 with the surface mounted can also realize a heat storage target greatly while having a stable supporting structure;
the graphene-based composite phase-change plate 303 is made of a graphene-based composite phase-change material, the composite phase-change material has high phase-change material loading capacity, stable phase-change enthalpy can be maintained after 1000 cold and hot cycles, excellent phase-change heat storage performance is shown, and therefore the graphene-based composite phase-change plate 303 with a bending structure has strong heat storage capacity;
when the water temperature in the heat preservation water tank 2 exceeds 55 ℃, the heat storage circulating pump 301 is started, heat in the heat preservation water tank 2 is transferred to the interior of the heat storage tank 3, at the moment, the graphene-based composite phase change plate 303 installed through the bending plate 304 can save heat by means of self phase change heat storage performance, further, the temperature in the heat preservation water tank 2 is reduced, when the water temperature in the heat preservation water tank 2 is lower than 55 ℃, the heat storage circulating pump 301 is stopped, the effect of storing excessive heat when the water temperature in the heat preservation water tank 2 exceeds 55 ℃ can be achieved, when the water temperature in the heat preservation water tank 2 is lower than 45 ℃ in rainy days or extremely cold days, the heat storage circulating pump 301 is started, at the moment, the heat in the heat storage water tank 3 can be transferred to the interior of the heat preservation water tank 2 through the heat storage circulating pump 301, and when the water temperature reaches 45 ℃, the heat storage circulating pump 301 is closed, and the water temperature in the heat preservation water tank 2 can be kept constant within a range of 45-55 ℃.
Examples
Referring to fig. 1 and 5, an embodiment of the present utility model is provided: the utility model provides a solar heat storage device based on graphite alkene combined material, includes support frame 1 and heating case 4, and the back of support frame 1 installs heating case 4, and heating circulating pump 402 and heating coil 401 are installed to the interior bottom wall of heating case 4, and heating coil 401 is located one side of heating circulating pump 402.
Specifically, the output of heating circulating pump 402 is all connected with heating coil 401 through the pipeline, the input of heating circulating pump 402 is connected with heat preservation water tank 2 through the pipeline, starts heating circulating pump 402, shifts the heat of the inside water of heat preservation water tank 2 to in the heating coil 401, and then supplies ground to warm the water knockout drum to do the heating use for this heat accumulation device can be as ground to warm the heat supply use, improves this heat accumulation device's practicality.
Examples
Referring to fig. 1, 6, 7 and 8, an embodiment of the present utility model is provided: the utility model provides a solar heat accumulation device based on graphite alkene combined material, including heat collection support 8, heat collection support 8 is installed in the front of support frame 1, and heat collection support 8 forms triangular structure with support frame 1, the surface mounting that heat collection support 8 is close to each other has gusset plate 802 of arranging from top to bottom, the surface mounting that gusset plate 802 is close to each other has photovoltaic cell board 806, the inside of gusset plate 802 is equipped with the gomphosis hole, the inner wall of gomphosis hole is equipped with embedding slide rail 805, the inside gomphosis of embedding slide rail 805 is connected with lasso 804, the internal surface of lasso 804 is connected with heat-collecting tube 801, and heat-collecting tube 801 is located the place ahead of photovoltaic cell board 806, the internally mounted of heat-collecting tube 801 has graphite alkene combined tube 803.
Specifically, graphene-based composite pipe 803 and heat preservation water tank 2 are all connected with heat collection circulating pump 10 through the water pipe, graphene-based composite pipe 803 is made for graphene-based composite phase change material, excellent photo-thermal conversion capability has, can be fast with solar energy conversion into heat energy and store in phase change material, conversion efficiency can reach 93.7% the highest, consequently, can realize efficient photo-thermal conversion operation, and heat collection pipe 801 then provides outside protective effect for graphene-based composite pipe 803, avoid the damage of colliding with of graphene-based composite pipe 803, simultaneously photovoltaic cell panel 806 carries out photoelectric conversion in step, then for the inside zone of heating 202 of this heat storage device and the work of electro-magnet provide the electric quantity supply, make this heat storage device have the energy-conservation.
One side surface mounting of heat storage tank 3 has heat collection circulating pump 10, and one side surface of heat preservation water tank 2 is connected with mounting box 5, and mounting box 5's internally mounted has temperature-sensing ware 502 and level sensor 501, and level sensor 501 is located the rear of temperature-sensing ware 502, temperature-sensing ware 502 and heat storage circulating pump 301 and heat collection circulating pump 10 electric connection.
Specifically, the output end of the heat collection circulating pump 10 is connected with the heat preservation water tank 2 through a pipeline, and the input end of the heat collection circulating pump 10 is connected with the heat collection pipe 801 through a pipeline, so that the heat after photoelectric conversion of the graphene-based composite pipe 803 can be conveyed into the heat preservation water tank 2 through the heat collection circulating pump 10, and further corresponding heat transfer is realized;
the temperature sensor 502 can detect the temperature of the water body inside the heat preservation water tank 2, and further provides corresponding signal reference data for the purpose of keeping the water temperature inside the heat preservation water tank 2 within the range of 45-55 ℃, and the liquid level sensor 501 is used for providing corresponding signal reference data for the corresponding pollution discharge water supplementing and normal water supplementing of the heat storage device so as to ensure the normal supplement of the water body inside the heat preservation water tank 2.
Examples
Referring to fig. 1, 6 and 8, an embodiment of the present utility model provides: the utility model provides a solar heat accumulation device based on graphite alkene combined material, including support frame 1 and removal frid 9, the surface mounting that heat collection support 8 is close to each other has removal frid 9, electromagnetic box 901 is installed to the top one side of removal frid 9, the internally mounted of electromagnetic box 901 has the electro-magnet, the top of removal frid 9 is equipped with the recess of invagination, and the recess is located one side of electromagnetic box 901, the inside sliding connection of recess has sliding seat 902, sliding seat 902 is made for the magnet, the branch 903 of L type is installed at the top of sliding seat 902, rubber piece 904 is installed to the tail end of branch 903, the tail end of rubber piece 904 is laminated with the surface of heat collection tube 801, the front of removal frid 9 is equipped with wash port 905.
The commutator is installed in the electromagnetic box 901 and is located on one side of the electromagnet, the commutator is electrically connected with the electromagnet, and the commutator is electrically connected with the photovoltaic cell panel 806.
Specifically, the electromagnet and the commutator are started, under the action of the commutator, the current direction supplied to the electromagnet by the photovoltaic cell panel 806 is in a change state, and then the sliding seat 902 can be driven to achieve the operation of approaching or keeping away from the electromagnetic box 901, in the process, the sliding seat 902 can drive the supporting rod 903 and the rubber block 904 to move along the direction of the movable groove plate 9, and further the contacted heat collecting tube 801 is rubbed and driven, so that the heat collecting tube 801 is matched with the ferrule 804 and the embedded sliding rail 805 to achieve the turnover of the graphene-based composite tube 803, and further the uniformity of the photo-thermal conversion efficiency of the surface of the graphene-based composite tube 803 is ensured.
The water body inside the groove can be conveniently discharged by the arrangement of the drain hole 905, so that smooth movement of the sliding seat 902 is ensured.
Examples
Referring to fig. 1, 2, 5, 9 and 10, an embodiment of the present utility model is provided: the utility model provides a solar energy heat accumulation device based on graphite alkene combined material, includes support frame 1 and moisturizing pipe 6, and lotus leaf coating 203 is installed to the inner wall of heat preservation water tank 2, and the inside of heat preservation water tank 2 is equipped with the intermediate layer, and the sandwich internally mounted has insulating cotton layer 201 and zone of heating 202, and zone of heating 202 is located insulating cotton layer 201's inboard, zone of heating 202 and photovoltaic cell board 806 electric connection.
Specifically, when the heat stored in the heat storage tank 3 is consumed due to overcast and rainy weather continuously, the electric energy stored in the photovoltaic panel 806 can be used for providing power supply for the operation of the heating layer 202, so that the water temperature in the heat preservation water tank 2 can still be in a heat preservation state, and when the water temperature reaches the range of 45-55 ℃, the heating layer 202 is closed, and the constant water temperature in the heat preservation water tank 2 is ensured;
the use of the heat insulation cotton layer 201 can reduce unnecessary loss of water heat in the heat preservation water tank 2, and enhance the energy conservation of the heat storage device.
The moisturizing pipe 6 is installed to one side surface penetration of heat preservation water tank 2, and moisturizing pipe 6 is located the rear of discharge valve, and discharge valve is located the top of mounting box 5, and moisturizing valve 601 is installed to moisturizing pipe 6's surface mounting, and moisturizing valve 601 and level sensor 501 electric connection, and moisturizing pipe 6's internally mounted has filter screen 602.
A drain pipe 7 is installed at the bottom of the heat preservation water tank 2 in a penetrating way, a drain valve 701 is installed on the surface of the drain pipe 7, a conductivity meter 702 is installed on the inner bottom wall of the heating tank 4, and the conductivity meter 702 is electrically connected with the drain valve 701.
Specifically, when the scaling phenomenon occurs in the heat preservation water tank 2, under the action of the lotus leaf coating 203, the possibility that scaling is adhered to the inner wall of the heat preservation water tank 2 can be reduced, and then when the conductivity meter 702 detects that the scaling phenomenon exists in the heat preservation water tank 2, the blow-down valve 701 can be started, so that the water body containing solid scaling in the heat preservation water tank 2 is discharged out of the heat preservation water tank 2 through the blow-down pipe 7, the self-cleaning of the inside of the heat preservation water tank 2 is realized, foreign matters can be effectively reduced to enter the inside of the heat preservation water tank 2 through the filter screen 602 in the water supplementing process, and the neatness of the water body in the heat preservation water tank 2 is ensured;
after the sewage in the heat preservation water tank 2 is drained, the water level in the heat preservation water tank 2 is reduced to the minimum value, at this time, the liquid level sensor 501 can send a signal to the water supplementing valve 601, and then the water supplementing valve 601 is started, so that the water can be supplemented to the interior of the heat preservation water tank 2 through the water supplementing pipe 6 connected with the external suction structure, and under the situation that the water in the heat preservation water tank 2 is normally reduced and the sewage draining valve 701 is closed, the liquid level sensor 501 can start the water supplementing valve 601 to perform normal water supplementing operation when detecting that the water level in the water in the heat preservation water tank 2 is reduced to the safety threshold value, so as to keep continuous supply of the water in the heat preservation water tank 2.
The working steps of the heat storage device are as follows:
s1, when the solar heat storage device is used for corresponding heating operation, the graphene-based composite tube 803 inside the heat collection tube 801 can realize photo-thermal conversion and synchronously perform photoelectric conversion by utilizing the gaps between the heat collection tubes 801, so that electric quantity supply is provided for the operation of the heating layer 202 and the electromagnet inside the heat storage device;
s2, starting an electromagnet and a commutator, under the action of the commutator, a current direction provided by a photovoltaic cell panel 806 to the electromagnet is in a change state, and then a sliding seat 902 can be driven to realize the operation of approaching or separating from an electromagnetic box 901, in the process, the sliding seat 902 can drive a supporting rod 903 and a rubber block 904 to move along the direction of a movable groove plate 9, and further friction and drive a contacted heat collecting tube 801, so that the heat collecting tube 801 realizes the turnover of a graphene-based composite tube 803 under the cooperation of a ferrule 804 and an embedded sliding rail 805, and further the uniformity of the photo-thermal conversion efficiency of the surface of the graphene-based composite tube 803 is ensured;
s3, when the external weather is fine, when the water temperature in the heat preservation water tank 2 exceeds 55 ℃, starting the heat storage circulating pump 301, transferring the heat in the heat preservation water tank 2 to the inside of the heat storage tank 3, at the moment, by means of the phase change heat storage performance of the graphene-based composite phase change plate 303 installed through the bending plate 304, realizing heat preservation, further enabling the temperature in the heat preservation water tank 2 to be reduced, when the water temperature in the heat preservation water tank 2 is lower than 55 ℃, stopping the heat storage circulating pump 301, namely, enabling the effect of storing excessive heat when the water temperature in the heat preservation water tank 2 exceeds 55 ℃, when the water temperature in the heat preservation water tank 2 is lower than 45 ℃ in rainy or extremely cold weather, starting the heat storage circulating pump 301, at the moment, enabling the heat in the heat storage tank 3 to convey the heat to the inside of the heat preservation water tank 2 through the heat storage circulating pump 301, and when the water temperature reaches 45 ℃, closing the heat storage circulating pump 301, enabling the water temperature in the heat preservation water tank 2 to be constantly within a range of 45-55 ℃.
S4, at the moment, a heating circulating pump 402 can be started to transfer the heat of the water body in the heat preservation water tank 2 to the heating coil 401, so that the floor heating water separator can be used for heating, the heat storage device can be used for heating as floor heating, and the practicability of the heat storage device is improved;
s5, when a scaling phenomenon occurs in the heat preservation water tank 2, under the action of the lotus leaf coating 203, the possibility that scaling is adhered to the inner wall of the heat preservation water tank 2 can be reduced, and then when the conductivity meter 702 detects that the scaling phenomenon exists in the heat preservation water tank 2, the blow-down valve 701 can be started, so that a water body containing solid scaling in the heat preservation water tank 2 is discharged out of the heat preservation water tank 2 through the blow-down pipe 7, and self-cleaning of the interior of the heat preservation water tank 2 is realized;
s6, after the sewage in the heat preservation water tank 2 is drained, the water level in the heat preservation water tank 2 is reduced to the minimum value, at the moment, the liquid level sensor 501 can send a signal to the water supplementing valve 601, and then the water supplementing valve 601 is started, so that the water can be supplemented to the inside of the heat preservation water tank 2 through the water supplementing pipe 6 connected with an external suction structure, and under the conditions that the water in the heat preservation water tank 2 is normally reduced and the drain valve 701 is closed, the liquid level sensor 501 can start the water supplementing valve 601 to conduct normal water supplementing operation when detecting that the water level in the heat preservation water tank 2 is reduced to a safety threshold value, so that the continuous supply of the water in the heat preservation water tank 2 is maintained.
Working principle: when the solar heat storage device is used for corresponding heating operation, the gaps between the heat collection tubes 801 are utilized, so that when sunlight is projected, the graphene-based composite tubes 803 in the heat collection tubes 801 can realize photo-thermal conversion, and meanwhile, the photovoltaic cell panels 806 synchronously perform photoelectric conversion, and then electric quantity supply is provided for the operation of the heating layer 202 and the electromagnet in the heat storage device;
starting an electromagnet and a commutator to drive a sliding seat 902 to realize the operation of approaching or separating from an electromagnetic box 901, wherein in the process, the sliding seat 902 can drive a supporting rod 903 and a rubber block 904 to move along the direction of a movable groove plate 9, so that the contacted heat collecting pipe 801 is rubbed and driven, the heat collecting pipe 801 is enabled to realize the turnover of a graphene-based composite pipe 803 under the cooperation of a ferrule 804 and an embedded sliding rail 805, and the uniformity of the light-heat conversion efficiency of the surface of the graphene-based composite pipe 803 is further ensured;
when the external weather is fine, when the water temperature in the heat preservation water tank 2 exceeds 55 ℃, starting the heat storage circulating pump 301, transferring the heat in the heat preservation water tank 2 to the inside of the heat storage tank 3, at the moment, realizing heat preservation by the graphene-based composite phase-change plate 303, stopping the heat storage circulating pump 301 until the water temperature in the heat preservation water tank 2 is lower than 55 ℃, when the water temperature in the heat preservation water tank 2 is lower than 45 ℃ in rainy days or extremely cold days, starting the heat storage circulating pump 301, conveying the heat to the inside of the heat preservation water tank 2 through the heat storage circulating pump 301, and when the water temperature reaches 45 ℃, closing the heat storage circulating pump 301, so that the water temperature in the heat preservation water tank 2 is constantly within the range of 45-55 ℃;
the heating circulating pump 402 can be started to transfer the heat of the water body in the heat preservation water tank 2 to the heating coil 401, so that the floor heating water separator can be used for heating, the heat storage device can be used for floor heating, and the practicability of the heat storage device is improved;
can start the blowoff valve 701 when the inside scale deposit phenomenon that takes place of heat preservation water tank 2, then make the water that contains solid scale deposit discharge through blow off pipe 7, after the inside sewage of heat preservation water tank 2 is drained, level sensor 501 can send the signal to moisturizing valve 601 this moment, through moisturizing pipe 6 to the inside supplementary water of heat preservation water tank 2, under the circumstances that the inside water of heat preservation water tank 2 normally reduces and blow off valve 701 is closed, start moisturizing valve 601 when the inside water liquid level of heat preservation water tank 2 reduces to the safety threshold and carry out normal moisturizing operation, so as to keep the inside continuous supply of water of heat preservation water tank 2.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (2)
1. The utility model provides a solar energy heat accumulation device based on graphite alkene combined material, includes support frame (1) and heat storage case (3), its characterized in that: the heat-preserving water tank is characterized in that the top of the support frame (1) is provided with the heat-preserving water tank (2), one side surface of the heat-preserving water tank (2) is provided with the exhaust valve, one side surface of the support frame (1) is provided with the bottom plate (101), the top of the bottom plate (101) is provided with the heat-storing box (3), and one side surface of the heat-storing box (3) is provided with the heat-collecting circulating pump (10);
the back of the heat storage box (3) is provided with a heat storage circulating pump (301), the inside of the heat storage box (3) is provided with a heat preservation interlayer (302), the inside of the heat storage box (3) is provided with bending plates (304) which are equidistantly arranged, and the surfaces of two sides of the bending plates (304) are provided with graphene-based composite phase-change plates (303);
the front surface of the support frame (1) is provided with a heat collection support (8), the heat collection support (8) and the support frame (1) form a triangular structure, the surfaces of the heat collection support (8) close to each other are provided with movable trough plates (9), and the back surface of the support frame (1) is provided with a heating box (4);
a heating circulating pump (402) and a heating coil (401) are arranged on the inner bottom wall of the heating box (4), and the heating coil (401) is positioned on one side of the heating circulating pump (402);
the solar heat collector comprises a heat collection support (8), wherein reinforcing plates (802) which are arranged up and down are arranged on the surfaces of the heat collection support (8) which are close to each other, photovoltaic cell panels (806) are arranged on the surfaces of the reinforcing plates (802) which are close to each other, embedded holes are formed in the reinforcing plates (802), embedded sliding rails (805) are formed in the inner walls of the embedded holes, ferrules (804) are connected with the embedded sliding rails (805) in an embedded mode, heat collection pipes (801) are connected to the inner surfaces of the ferrules (804), the heat collection pipes (801) are located in front of the photovoltaic cell panels (806), and graphene-based composite pipes (803) are arranged in the heat collection pipes (801);
an electromagnetic box (901) is arranged on one side of the top of the movable trough plate (9), an electromagnet is arranged in the electromagnetic box (901), an inward-sinking groove is formed in the top of the movable trough plate (9), the groove is positioned on one side of the electromagnetic box (901), a sliding seat (902) is connected in the groove in a sliding mode, the sliding seat (902) is made of a magnet, an L-shaped supporting rod (903) is arranged on the top of the sliding seat (902), a rubber block (904) is arranged at the tail end of the supporting rod (903), the tail end of the rubber block (904) is attached to the surface of the heat collecting tube (801), and a drain hole (905) is formed in the front face of the movable trough plate (9);
the inner wall of the heat preservation water tank (2) is provided with a lotus leaf coating (203), an interlayer is arranged in the heat preservation water tank (2), a heat insulation cotton layer (201) and a heating layer (202) are arranged in the interlayer, the heating layer (202) is positioned on the inner side of the heat insulation cotton layer (201), and the heating layer (202) is electrically connected with a photovoltaic cell panel (806);
one side surface of the heat preservation water tank (2) is connected with a mounting box (5), a temperature sensor (502) and a liquid level sensor (501) are mounted in the mounting box (5), the liquid level sensor (501) is positioned behind the temperature sensor (502), and the temperature sensor (502) is electrically connected with a heat storage circulating pump (301) and a heat collection circulating pump (10);
a water supplementing pipe (6) is arranged on one side surface of the heat preservation water tank (2) in a penetrating manner, the water supplementing pipe (6) is positioned at the rear of the exhaust valve, the exhaust valve is positioned above the mounting box (5), a water supplementing valve (601) is arranged on the surface of the water supplementing pipe (6), the water supplementing valve (601) is electrically connected with the liquid level sensor (501), and a filter screen (602) is arranged in the water supplementing pipe (6);
a drain pipe (7) is arranged at the bottom of the heat preservation water tank (2) in a penetrating manner, a drain valve (701) is arranged on the surface of the drain pipe (7), a conductivity meter (702) is arranged on the inner bottom wall of the heating tank (4), and the conductivity meter (702) is electrically connected with the drain valve (701);
the electromagnetic box (901) is internally provided with a commutator, the commutator is positioned on one side of the electromagnet, the commutator is electrically connected with the electromagnet, and the commutator is electrically connected with the photovoltaic cell panel (806).
2. The solar heat storage device based on graphene-based composite material according to claim 1, wherein the working steps of the heat storage device are as follows:
s1, when the solar heat storage device is used for corresponding heating operation, gaps among the heat collecting pipes (801) are utilized, so that when sunlight is projected, the graphene-based composite pipe (803) inside the heat collecting pipes (801) can realize photo-thermal conversion, and meanwhile, the photovoltaic cell panels (806) synchronously perform photoelectric conversion, and then electric quantity supply is provided for the operation of the heating layer (202) and the electromagnet inside the heat storage device;
s2, starting an electromagnet and a commutator, under the action of the commutator, a current direction provided by a photovoltaic cell panel (806) to the electromagnet is in a change state, and then a sliding seat (902) can be driven to achieve operation of approaching or separating from an electromagnetic box (901), in the process, the sliding seat (902) can drive a supporting rod (903) and a rubber block (904) to move along the direction of a movable groove plate (9), and further friction and drive a contacted heat collecting tube (801), so that the heat collecting tube (801) is subjected to friction driving under the cooperation of a ferrule (804) and an embedded sliding rail (805), the overturning of a graphene-based composite tube (803) is achieved, and the uniformity of the photo-thermal conversion efficiency of the surface of the graphene-based composite tube (803) is further ensured;
s3, when the external weather is fine, when the water temperature in the heat preservation water tank (2) exceeds 55 ℃, starting the heat storage circulating pump (301), transferring the heat in the heat preservation water tank (2) to the inside of the heat storage tank (3), at the moment, through the graphene-based composite phase change plate (303) installed by the bending plate (304), heat preservation can be realized by means of self phase change heat storage performance, further, the temperature in the heat preservation water tank (2) is reduced, when the water temperature in the heat preservation water tank (2) is lower than 55 ℃, stopping the heat storage circulating pump (301), namely, the effect of storing excessive heat when the water temperature in the heat preservation water tank (2) exceeds 55 ℃ can be realized, when the water temperature in the heat preservation water tank (2) is lower than 45 ℃ in overcast and rainy weather, starting the heat storage circulating pump (301), at the moment, the heat in the heat storage water tank (3) can be conveyed to the inside the heat preservation water tank (2) through the heat storage circulating pump (301), and when the water temperature reaches 45 ℃, the water temperature of the heat storage circulating pump (301) is closed, so that the inside of the heat preservation water tank (2) is constantly in a range of 45-55 ℃.
S4, at the moment, a heating circulating pump (402) can be started to transfer heat of the water body in the heat preservation water tank (2) to the heating coil (401), so that the floor heating water separator can be used for heating, the heat storage device can be used for floor heating, and the practicability of the heat storage device is improved;
s5, when a scaling phenomenon occurs in the heat preservation water tank (2), under the action of the lotus leaf coating (203), the possibility that scaling is adhered to the inner wall of the heat preservation water tank (2) can be reduced, and then when the conductivity meter (702) detects that the scaling phenomenon exists in the heat preservation water tank (2), the blow-down valve (701) can be started, so that a water body containing solid scaling in the heat preservation water tank (2) is discharged out of the heat preservation water tank (2) through the blow-down pipe (7), and self-cleaning of the inside of the heat preservation water tank (2) is realized;
s6, after the sewage in the heat preservation water tank (2) is drained, the water level in the heat preservation water tank (2) is reduced to the minimum value, at the moment, the liquid level sensor (501) can send a signal to the water supplementing valve (601), and then the water supplementing valve (601) is started, so that the water can be supplemented to the inside of the heat preservation water tank (2) through the water supplementing pipe (6) connected with the external suction structure, and under the situation that the water in the heat preservation water tank (2) is normally reduced and the sewage draining valve (701) is closed, the liquid level sensor (501) can start the water supplementing valve (601) to conduct normal water supplementing operation when detecting that the water level in the heat preservation water tank (2) is reduced to the safety threshold value, so that the continuous supply of the water in the heat preservation water tank (2) is maintained.
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